ultrafast

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Very fast, or of very short duration; especially concerning events that take place in femtosecond or picosecond timescales.

词形变化

more ultrafast comparative most ultrafast superlative ultra-fast alternative

词源

Etymology tree
English ultra-
Proto-Germanic *fastuz
Proto-West Germanic *fast
Old English fæst
Middle English fast
English fast
English ultrafast
From ultra- + fast.
0 次浏览 数据来源: Wiktionary